<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
<div>
    <input type="text" v-model="msg">
    <h1>{{msg}}</h1>
    <input type="radio" v-model="gender" value="男">男
    <input type="radio" v-model="gender" value="女">女
    <h1>{{gender}}</h1>

</div>

<script src="js/vue.js"></script>
<script>
    let v = new Vue({
        el:"div",
        data:{
            msg:"双向绑定测试",
            gender:"男"
        }
    })
</script>

</body>
</html>